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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 7334358 | Portable dredging equipment A portable dredging apparatus comprising a cutter housing in communication with a hydraulic power supply and a discharge pump through lengths of tubing whereby said cutter housing is submersible. The cutter housing is comprised of a platform having walls depending t... | 02/26/2008 |
| 7083734 | Method and apparatus for cleaning a water area A method for cleaning a water area including dredging, via a dredging apparatus, waste from the water area through a suction pipe into a sedimentation basin, generating a flow of the dredged waste from the water area to the sedimentation basin via siphonage and vari... | 08/01/2006 |
| 5617654 | Dredge rotary cutter head A dredge apparatus with an improved cutter includes a hull, a boom extending from the hull, and a cutter element rotatably mounted at the free end of the boom. The cutter element is positioned adjacent a suction line that is supported by the boom. The imp... | 04/08/1997 |
| 5212892 | Cutter head assembly for excavating machine A cutter head assembly attachable to a boom of an excavating machine. The cutter head assembly includes a frame and a cylindrical cutter drum under the frame and attached to the frame through a pair of motors and a pair of torque converters. A mounting br... | 05/25/1993 |
| 5060404 | Auger type dredging head An auger type dredge head may be mounted on a dredge ladder in a selected angular position with respect to the ladder axis, for sweeping or fore and aft operation, and a selected angular position may be set and maintained with respect to the dredge barge.... | 10/29/1991 |
| 5022789 | Method and machine for constructing shafts There are disclosed a method and a machine for constructing a shaft having a substantially circular cross-section. According to the present invention, the shaft having a shotcrete formed on a peripheral wall thereof can be easily constructed. The shotcret... | 06/11/1991 |
| 4979322 | Apparatus and method for forming a crater in material beneath a body of water Dredging apparatus comprises a modular, submersible, vertically positionable crater sink mechanism operable to form a crater in a bed of material beneath a body of water. The crater sink mechanism comprises an elongated tubular housing closed at its upper... | 12/25/1990 |
| 4753023 | Power transmission through a shaft subject to orbiting A shaft subject to orbiting motion as it is driven in rotation is directly connected to the prime mover driving the shaft so that the prime mover follows the orbiting motion of the shaft. The housing associated with the prime mover is connected to a fixed... | 06/28/1988 |
| 4597201 | Angled boom dredge system and cutterhead therefor A dredge with an elongated boom mounted to extend at an angle from the vertical has at a lower free end of the boom a pump inlet and disc-cutters mounted on the boom. The disc-cutters are rotated on axes of rotation lying at an acute angle to a continuati... | 07/01/1986 |
| 4403428 | Suction dredge cutter head The rotatable cutter head of a suction dredge which is of rearwardly-divergent spiral toothed-rib construction has a crusher of open-work construction fixedly mounted therewithin and cooperating therewith to crush and reduce the size of hard lumps dug by ... | 09/13/1983 |
| 4322898 | Cutter head with adjustable suction nozzle A cutter head for a cutter dredger, which cutter head has a disc-like configuration with a bottom plate being rotatable and carrying a row of blades adjacent the circumference. The soil loosened by the blades, whether or not aided by the bottom plate, is ... | 04/06/1982 |
| 4214387 | Trenching apparatus and method An apparatus and method for trenching beneath an elongated member lying on the bottom of a body of water are disclosed. The apparatus has a movable frame member, at least one cutting assembly, an assembly support means connected to the frame member for su... | 07/29/1980 |
| 4207690 | Suction device for cleaning bottoms of waterways and for lifting sunken timber A suction device for clearing the bottom of waterways includes a suction end having an inlet opening. Mounted to the horizontal edges of the inlet opening are either forcedriven conveyor screws or triangular flanges, with rollers mounted on the vertical e... | 06/17/1980 |
| 4163330 | Dredge cutter head having a volute compartment An apparatus for disintegrating and removing layers of earth, especially under water, comprising a housing in which at least one volute compartment is formed, which is open on the underside and which accommodates a rotor which comprises disintegrators and... | 08/07/1979 |
| 4149326 | Machine for digging a trench beneath a submerged pipeline An apparatus for digging a trench beneath a pipeline laid on the bottom of sea or a water body, in which a clamp arrangement is split into a wider sector portion and a narrower sector portion which, as they are united under the control of a driving mechan... | 04/17/1979 |
| 4146982 | Improved pump-type sludge dredging apparatus An improved pump-type sludge dredging apparatus including a pump dredger having a first ladder, a sludge suction pump acting in cooperation with the ladder and pump dredger, a suction pipe, a second ladder, a suction device suspended from the second ladde... | 04/03/1979 |
| 4084334 | Suction dredge with swell compensating ladder mount A cutting-head suction-dredger comprises a floating body, a ladder and a cutting-head carried by the lower end of the ladder. The ladder supports against the floating body through a rail guide which is adapted to tilt with respect to the floating body and... | 04/18/1978 |
